public class Main{
    public static void main(String[] args){
        //第一题
        System.out.println("************");
        System.out.println("*   JaVa   *");
        System.out.println("************");
        //第二题
        int a = 3;
        long b = 4l;
        float c = 3.14f;
        double d =3.14;
        char e ='3';
        char e1 ='4';
        boolean f =true;
        boolean f1 =false;
        System.out.println("a:" + a);
        System.out.println("b:" + b);
        System.out.println("c:" + c);
        System.out.println("d:" + d);
        System.out.println("e:" + e);
        System.out.println("e1:" + e1);
        System.out.println("f:" + f);
        System.out.println("f1:" + f1);
    }
}
